/// <summary>
/// Constructs a new instance from the given Vector4d.
/// </summary>
/// <param name="v">The Vector4d to copy components from.</param>
public Vector3d(Vector4d v)
{
X = v.X;
Y = v.Y;
Z = v.Z;
}
/// <summary>
/// Constructs a new instance.
/// </summary>
/// <param name="row0">Top row of the matrix</param>
/// <param name="row1">Second row of the matrix</param>
/// <param name="row2">Bottom row of the matrix</param>
public Matrix3x4d(Vector4d row0, Vector4d row1, Vector4d row2)
{
Row0 = row0;
Row1 = row1;
Row2 = row2;
}